Inkjet ink for polyvinyl chloride resin sheet
US7897657B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2006 |
| Grant date | Mar 1, 2011 |
| Priority date | — |
| Expiry date | Dec 18, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Present invention relates to an inkjet ink used for a polyvinyl chloride resin sheet, wherein the inkjet ink comprises an organic solvent, a pigment and a vinyl chloride-vinyl acetate resin, the organic solvent is a mixed solvent comprising at least one compound selected from the group consisting of compounds represented by a formula (1) and compounds represented by a formula (2), together with a lactone compound, and the quantity of the lactone compound is within a range from 1 to 40% by weight relative to the total weight of the ink.[Formula 1]CH3CO(OR1)mOR2 (1)(wherein, R1 represents an ethylene group or propylene group, R2 represents an alkyl group of 1 to 4 carbon atoms, and m represents an integer from 1 to 3)[Formula 2]CH3CH(OH)COOR3 (2)(wherein, R3 represents an alkyl group of 1 to 8 carbon atoms).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.